Question: Which Amendments to the Constitution of Ireland have the largest number of spoiled votes?
Paraphrase: Which Revisions to the Structure of Ireland have the biggest number of ruined votes?
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q467578 . ?ent wdt:P5044 ?obj } ORDER BY DESC(?obj)LIMIT 5 
Answer: Twentieth Amendment of the Constitution of Ireland, Fourteenth Amendment of the Constitution of Ireland, Thirteenth Amendment of the Constitution of Ireland, Seventeenth Amendment of the Constitution of Ireland, Fifth Amendment of the Constitution of Ireland